Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc ba ke snippets" » "duoc ban ke snippets", "duoc bat ke snippets", "duoc ma ke snippets", "duoc bua ke snippets", "duoc ba me snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duoc ba ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc ba ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc ba ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc ba ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.